The Ion Channel Hypothesis of Alzheimer's Disease (AD) suggests that dysfunction in ion channels, which are crucial for maintaining the balance of ions across cell membranes, plays a significant role in the pathogenesis of AD. This hypothesis posits that the dysregulation of calcium (Ca²⁺) homeostasis, due to altered function or expression of ion channels, contributes to the neuronal cell death and synaptic dysfunction observed in Alzheimer's patients.
KCND1 is a gene that encodes a protein known as potassium voltage-gated channel subfamily D member 1. This protein is part of the voltage-gated potassium channels, which are important for the regulation of electrical activity in neurons and other excitable cells. The KCND1 protein contributes to the repolarization phase of the action potential in nerve and muscle cells, allowing these cells to return to their resting potential after being activated.
KCNQ4 is a gene that encodes a potassium ion channel, which is part of the KCNQ (Kv7) family of voltage-gated potassium channels. These channels are important for the regulation of electrical activity in various tissues, particularly in the nervous system and the inner ear. KCNQ4 specifically plays a critical role in the auditory system, where it helps to control the membrane potential of hair cells in the cochlea.
Bi-isotropic materials are materials that exhibit isotropic properties in both mechanical and electromagnetic contexts. In simpler terms, these materials have the same mechanical and electromagnetic characteristics regardless of the direction in which they are measured. In mechanical terms, an isotropic material has uniform properties in all directions. This means that its mechanical response (like stress, strain, stiffness, etc.) is the same no matter the orientation of the applied forces.
KCNT2 (Potassium Channel, Subfamily T, Member 2) is a gene that encodes a protein contributing to the formation of ion channels in the cell membranes. These channels are regulated by potassium ions (K+), which are essential for a variety of physiological functions, including the regulation of cell excitability, electrical signaling in neurons, and muscle contraction.
KCNV2 is a gene that encodes a potassium voltage-gated channel subunit. Potassium channels are essential for various physiological processes, including the regulation of electrical activity in neurons and muscle cells. The KCNV2 protein is specifically involved in the formation of voltage-gated potassium channels that contribute to the repolarization phase of action potentials in excitable tissues.
P2RX7, or purinergic receptor P2X 7, is a gene that encodes a protein belonging to the P2X family of ion channels. These proteins are activated by adenosine triphosphate (ATP), a molecule that plays a critical role in energy transfer and signaling in cells.
The term "SK channel" can refer to different concepts depending on the context. Here are a few possible interpretations: 1. **SK Telecom**: In the context of telecommunications, "SK channel" might refer to channels or services provided by SK Telecom, a major South Korean telecommunications company.
Small-conductance mechanosensitive channels (also known as MscS channels) are a type of ion channel that respond to mechanical stimuli, such as changes in membrane tension. These channels are primarily found in bacteria, but similar proteins have been identified in eukaryotic cells.
TRPM2 (Transient Receptor Potential Melastatin 2) is a member of the TRP (Transient Receptor Potential) ion channel family, which is known for its role in various physiological processes, including the sensation of temperature, pain, and other stimuli.
TRPM3 (Transient Receptor Potential Melastatin 3) is a member of the transient receptor potential (TRP) channel family, which consists of ion channels that play critical roles in various physiological processes. Specifically, TRPM3 is known for its involvement in sensory transduction, particularly in the perception of pain and temperature.
TRPM5 (Transient Receptor Potential Melastatin 5) is a member of the TRP (transient receptor potential) ion channel family. It is primarily expressed in certain sensory cells, particularly those involved in taste and in the inner ear. TRPM5 is a calcium-permeable cation channel that is activated by variations in intracellular calcium levels and is known to play a significant role in signal transduction processes.
Archibald Crossley (1886–1984) was an American statistician and a pioneer in the field of survey research and public opinion polling. He is best known for his contributions to the development of radio ratings and audience measurement techniques in the early to mid-20th century. Crossley was instrumental in establishing methods for assessing the popularity of radio programs, and he played a significant role in the evolution of mass communication research.
George Gallup was an American pioneer in survey sampling techniques and public opinion polling. He is best known for founding the Gallup Organization, which became a leading global analytics and advice firm. Born on November 18, 1900, in Wilkes-Barre, Pennsylvania, Gallup developed methods for measuring public opinion that allowed for more accurate and reliable polling. His work revolutionized how political campaigns, media organizations, and businesses gauge public sentiment and consumer behavior.
Richard Wirthlin was an American pollster and political strategist known for his work in political consulting and public opinion research. He gained notable recognition for his role in the 1980 presidential campaign of Ronald Reagan, where his insights and analysis significantly shaped the campaign's strategy and messaging. Wirthlin founded the Wirthlin Group, a firm specializing in polling and research that focused on understanding voter behavior and attitudes. His expertise contributed to the development of several key campaign strategies and messages used by Republican candidates.
Robert Teeter was a notable American political consultant and pollster, recognized for his role in political strategy and public opinion research. He became prominent for his work in the Republican Party, particularly as an adviser during presidential campaigns. Teeter was known for his expertise in conducting surveys and analyzing voter behavior, helping to shape campaign strategies and messaging. His contributions have earned him a respected place in the field of political consulting.
Timothy Ting could refer to a person or a name, but without additional context, it's difficult to provide specific information.
HSL, or the **HSL Mathematical Software Library**, is a collection of Fortran libraries designed for solving various numerical problems, particularly in the areas of mathematical optimization, linear algebra, and numerical analysis. Developed by the **HSL (Harwell Subroutine Library)** team, which includes researchers from the University of Oxford and other institutions, HSL provides a suite of algorithms and routines that are used in scientific and engineering computing.
Keith Mason is a British physicist known for his work in the field of cosmology. He has contributed significantly to our understanding of the universe, particularly in relation to theories of the early cosmos and the nature of dark matter. Mason has also been involved in various academic and research initiatives, often focusing on the intersection of science and public engagement. His work has explored fundamental questions about the origin and structure of the universe, and he has published various papers and articles in scientific journals.
Quantum detectors are devices designed to measure and detect quantum phenomena, often at the level of individual photons or particles. They leverage principles from quantum mechanics to achieve high sensitivity and precision in detecting signals that may be too weak for classical detectors. Quantum detectors are fundamental in various applications, including quantum computing, quantum communications, and quantum cryptography.

Pinned article: Introduction to the OurBigBook Project

Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
We have two killer features:
  1. topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculus
    Articles of different users are sorted by upvote within each article page. This feature is a bit like:
    • a Wikipedia where each user can have their own version of each article
    • a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
    This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.
    Figure 1.
    Screenshot of the "Derivative" topic page
    . View it live at: ourbigbook.com/go/topic/derivative
  2. local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:
    This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
    Figure 2.
    You can publish local OurBigBook lightweight markup files to either https://OurBigBook.com or as a static website
    .
    Figure 3.
    Visual Studio Code extension installation
    .
    Figure 4.
    Visual Studio Code extension tree navigation
    .
    Figure 5.
    Web editor
    . You can also edit articles on the Web editor without installing anything locally.
    Video 3.
    Edit locally and publish demo
    . Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.
    Video 4.
    OurBigBook Visual Studio Code extension editing and navigation demo
    . Source.
  3. https://raw.githubusercontent.com/ourbigbook/ourbigbook-media/master/feature/x/hilbert-space-arrow.png
  4. Infinitely deep tables of contents:
    Figure 6.
    Dynamic article tree with infinitely deep table of contents
    .
    Descendant pages can also show up as toplevel e.g.: ourbigbook.com/cirosantilli/chordate-subclade
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact